Exhaust adapter



FIG. 1 is a front view of an exhaust adapter having its outer circumference supported by an exhaust pipe and its inner circumference supporting an exhaust tube in accordance with the present design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a cross sectional view of thereof. 

CLAIM The ornamental design for an exhaust adapter, as shown and described. 